Share A marine signage manufacturing and installation company from the Netherlands is expanding its operations in Charleston County with a $3.7 million investment, that could add 43 jobs to the region. Bourne Group will base its headquarters in Mount Pleasant at 301 Ports Authority Drive, relocating from its previous space in North Charleston’s Navy Yard, a Charleston County Economic Development news release said. Founded in 2007, Bourne Group has an international presence and roots in the maritime industry. The company’s portfolio includes maritime safety signs and service for cruise ...